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Thread: M855A1 with H6 buffer?

  1. #81
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    So a little follow up to this. Though not directly related this is some data I gathered from today. Maybe I missed it, but I was unable to find an exact weight of the H6 buffer.The Colt H3 buffer is listed as approx. 5.4 oz. Today I took a Colt 6920 upper (same gas port .063 as an M4 carbine) and using a standard GI spring and H3 buffer I successfully ran about 30 round of Federal M193 ammunition through the weapon with ZERO issues. Weather was high 80's, using Slip2000 lubricant and a standard full auto carrier and FN military contract bolt with copper spring and black insert.

    For those worried about ejection patterns it was pretty consistent at about 300 o'clock. Since I already knew an H2 would work, based on other testing I skipped the BS and went straight to the H3. Obviously with full auto and burst it could be different, but since we know that the M855A1 is hotter something tells me that it is going to work just fine.

    I have also built (2) M16A2 configuration uppers and when using the carbine lower receiver extension and a blue Sprinco spring with the H3 buffer and they also cycled with several types of ammunition with ZERO issues.



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  2. #82
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    Quote Originally Posted by NYH1 View Post
    GTF425, Thanks for your service! If you got your M4A1's problems all figured out I'm glad. If not and you still need a H2 buffer or whichever buffer for that matter and/or the correct springs, I'd be more then happy to buy them for you. I'd just have to figure out how to get them to Afghanistan. But I'll do it!

    Let me know, NYH1.
    I greatly appreciate the offer, however, we have found a solution with the H6s we could source on our base. I was able to find enough of them to outfit my Platoon with, so we are good to go at this time.

    Thank you for the offer.

  3. #83
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    Quote Originally Posted by Iraqgunz View Post
    So a little follow up to this. Though not directly related this is some data I gathered from today. Maybe I missed it, but I was unable to find an exact weight of the H6 buffer.The Colt H3 buffer is listed as approx. 5.4 oz. Today I took a Colt 6920 upper (same gas port .063 as an M4 carbine) and using a standard GI spring and H3 buffer I successfully ran about 30 round of Federal M193 ammunition through the weapon with ZERO issues. Weather was high 80's, using Slip2000 lubricant and a standard full auto carrier and FN military contract bolt with copper spring and black insert.

    For those worried about ejection patterns it was pretty consistent at about 300 o'clock. Since I already knew an H2 would work, based on other testing I skipped the BS and went straight to the H3. Obviously with full auto and burst it could be different, but since we know that the M855A1 is hotter something tells me that it is going to work just fine.

    I have also built (2) M16A2 configuration uppers and when using the carbine lower receiver extension and a blue Sprinco spring with the H3 buffer and they also cycled with several types of ammunition with ZERO issues.
    Thanks Gunz for confirming these findings.

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  4. #84
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    Quote Originally Posted by Iraqgunz View Post
    So a little follow up to this. Though not directly related this is some data I gathered from today. Maybe I missed it, but I was unable to find an exact weight of the H6 buffer.
    H6 is 5.15 ounces. Right between an H2 and an H3.
    “Live free or die; death is not the worst of evils.”
    - General John Stark, July 31, 1809

  5. #85
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    Quote Originally Posted by carolvs View Post
    H6 is 5.15 ounces. Right between an H2 and an H3.
    Makes sense. If you're slicing the weights more, there's going to more spacers displacing the room for weights.
    "You people have too much time on your hands." - scottryan

  6. #86
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    wrong thread. FML.
    Last edited by BufordTJustice; 05-30-14 at 22:38.
    "That thing looks about as enjoyable as a bowl of exploding dicks." - Magic_Salad0892

    "The body cannot go where the mind has not already been."

  7. #87
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    Quote Originally Posted by GTF425 View Post
    I greatly appreciate the offer, however, we have found a solution with the H6s we could source on our base. I was able to find enough of them to outfit my Platoon with, so we are good to go at this time.

    Thank you for the offer.
    Sounds good, NYH1!

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